01448nam 2200409Ia 450 991069872360332120090423150249.0(CKB)5470000002396622(OCoLC)319069413(EXLCZ)99547000000239662220090423d2009 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierSouthwest principal aquifers regional ground-water quality assessment[electronic resource] /by D.W. Anning ... [and others][Reston, Va.] :U.S. Dept. of the Interior, U.S. Geological Survey,[2009]4 pages digital, PDF fileFact sheet ;2009-3015Title from title screen (viewed on Apr. 23, 2009).At head of title: National Water-Quality Assessment Program."March 2009."Includes bibliographical references (page 4).AquifersSouthwest, NewWater qualitySouthwest, NewAquifersWater qualityAnning David W1390500National Water-Quality Assessment Program (U.S.)Geological Survey (U.S.)GPOGPOBOOK9910698723603321Southwest principal aquifers regional ground-water quality assessment3493417UNINA